EASY
9th CBSE
IMPORTANT
Earn 100

Define uniform circular motion.

Important Questions on Motion

EASY
9th CBSE
IMPORTANT
What is the displacement of a satellite when it makes a complete round along its circular path?
MEDIUM
9th CBSE
IMPORTANT

Write the three equations of motion for

(a) Velocity-time relation (b) Position-time relation (c) Position-velocity relation

MEDIUM
9th CBSE
IMPORTANT

Is it possible for a body to have a constant speed but an accelerated motion?

MEDIUM
9th CBSE
IMPORTANT

What is the average velocity and displacement of a body moving in a horizontal circle with constant speed?

MEDIUM
9th CBSE
IMPORTANT

A train is moving with a velocity of 90 km/h. When the driver applies brakes the train comes to halt in 10 seconds .

(a) Calculate the retardation of the train.

(b) Distance covered by the train in 10 seconds.                                                                                     

MEDIUM
9th CBSE
IMPORTANT
A racing car initially at rest, attains a speed of 198 km/h in 10 s. Calculate the distance covered by the racing car from start and the acceleration.
MEDIUM
9th CBSE
IMPORTANT

The brakes applied to a car produce a uniform retardation of 1.2 m/s2. Before stopping, the car covers a distance of 12 m. How long were the brakes applied? 

EASY
9th CBSE
IMPORTANT
Name the device used to record the distance travelled by a car.